@SaltineJustine here it is:

Master Rubyist Charles Nutter recently posted an entry titled The Rubyists are wrong . Wrong about the way rubies featured in our Ruby logos are cut. My father has worked in the jewelry business for over 30 years. As soon as I read Charles’ article, I wondered what Pop would think. So, I emailed him. Here is his response: [Charles] is close, but he missed it. The diamond part is correct. But in my experience and having worked with diamonds and color all over the world there is one common thread in the cutting of any color stone. Diamonds are cut for brilliance and yield. Any color stone is cut into a shape which will bring out the color to its upmost beauty and at the same time maximize the yield of the rough. That is why you see more cushion shapes and ovals in rubies. But you usually only see those in larger stones. The majority of the small stones are round. So, I would...